RFC 6944 provides an applicability statement on algorithm implementation status for DNSSEC component software. ince its publication new DNSSEC algorithms have arrived and recommendations on existing algorithms have changed. The IETF document draft-ietf-dnsop-algorithm-update plans to obsolete RFC 6944.
DNS vendors are actively following the new implementation requirements. Can we expect issues when a server has removed support for a certain algorithm when another server is still actively using it?
This presentation covers the expected and observed behavior of DNS servers when interacting with DNSSEC unsupported algorithms.